輻輳

輻湊

Reading

Kana: ふくそう

Romaji: fukusou

Definitions

noun

vs

adj-no

1

congestion (e.g. traffic); overcrowding

2

convergence (esp. optical)

Kanji

輻

Readings: フク、 や

Meaning: spoke (wheel)

輳

Readings: ソウ、 あつ.まる

Meaning: gather

湊

Readings: ソウ、 みなと、 あつ.まる

Meanings: port, harbor